[GE users] Not so simple user fair share policy

heywood heywood at cshl.edu
Thu Jul 22 16:29:39 BST 2010


We use the simple user fair share method where resources are shared fairly
among all users with running or queued jobs, i.e....

In the main configuration:
> enforce_user auto
> auto_user_fshare 100

In scheduler configuration:
>  weight_tickets_functional 10000

This works well, in large part since users understand it well, and don't
complain about understandable fairness :-).

However, we now ha ve a situation where a web interface (Galaxy) gnerates
SGE jobs under a single user account. But this user account (galaxyuser)
runs jobs by multiple "real" users, so each "real" user gets an UNfair share
of resources.

I have unsuccessfully trying to think of a way to tweak the simple fair
sharing so that the multiple users under the galaxyuser account don't get
discriminated against, and ALSO so they don't get treated preferentially to
regular users. Any ideas out there? Anyone else let multiple "real" users
run jobs under one SGE account?

Todd

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